201520151

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{3001}}^1$

素因数の和:3242

約数の個数: 16

約数和(自身を含む): 236029248

約数和(自身を除く): 34509097

約数列:

[1, 7, 53, 181, 371, 1267, 3001, 9593, 21007, 67151, 159053, 543181, 1113371, 3802267, 28788593, 201520151]

約数ペア:

[(1, 201520151), (7, 28788593), (53, 3802267), (181, 1113371), (371, 543181), (1267, 159053), (3001, 67151), (9593, 21007)]